Finding the Fourth Proportional to 50,272.25, 69,377.15 and 28,765.49

Step by Step Solution

1. Step 1: Write the proportion equation
   50,272.25 : 69,377.15 = 28,765.49 : x
2. Step 2: Convert to fraction form
   50,272.25/69,377.15 = 28,765.49/x
3. Step 3: Cross multiply
   50,272.25x = 69,377.15 × 28,765.49
4. Step 4: Simplify right side
   50,272.25x = 1,995,667,439.58
5. Step 5: Solve for x
   x = 1,995,667,439.58/50,272.25
6. Step 6: Final answer
   x = 39,697.20